Revision 1 51 9/10/2019
4.5 The Streams Menu
When F1 is selected, the Stream menu is presented (Figure 4-5).
Figure 4-5: First Stream Menu Page
This menu contains more than four items and additional items can be accessed via the DN,
PGDN, UP and PGUP keys. For the sake of brevity, we present the items on the menu on a
line by line basis rather than showing each page.
• Hi 16.00 OFF - This line indicates the set point for the phosgene High Alarm and the current
status of the alarm. The alarm set point can be edited by pressing the EDIT key on the
keypad while this line is highlighted. A new value can be typed in via the numerical keys and
pressing the ENTER key will cause the new value to be accepted.
• HiHi 16.00 OFF - This line indicates the set point for the phosgene High High alarm and the
current status of the alarm. The alarm set point can be edited by pressing the EDIT key on
the keypad while this line is highlighted. A new value can be typed in via the numerical keys
and pressing the ENTER key will cause the new value to be accepted.
• DUR 5 - This line indicates the length of time in seconds that the phosgene High High alarm
set point has to be exceeded before the alarm will be activated. This parameter can be
edited by pressing the EDIT key on the keypad while this line is highlighted. A new value
can be typed in via the numerical keys and pressing the ENTER key will cause the new
value to be accepted.
• LOCK 4.00 OFF - This line is used to indicate if the Lock Stream alarm should be enabled
for the phosgene measurement to change the setting, press the EDIT button. The operator
will be prompted to enter the desired value and press the ENTER key on the keypad.
• GAIN 100.0 100.0 - This line is used to set the gain. To change the setting, press the EDIT
button. The operator will be prompted to enter the desired value and press the ENTER key
on the keypad. In Edit mode, the left value changes while the right value stays at the
previous value (in case you cannot recall what the previous value was).
• CALGAS 18.0 18.0 - This line is used to indicate the concentration of the calibration gas. To
change the setting, press the EDIT button. The operator will be prompted to enter the
desired value and press the ENTER key on the keypad. In Edit mode, the left value changes
while the right value stays at the previous value (in case the operator cannot recall what the
previous value was.
• OFFSET 0.0 0.0 - This line is used to indicate the current value of the zero offset. To
change the setting, press the EDIT button. The operator will be prompted to enter the
desired value and press the ENTER key on the keypad. For additional information, see
Section 5.10.4.3. In Edit mode, the left value changes while the right value stays at the
previous value (in case the operator cannot recall what the previous value was.
• OGAS 0.1 0.1 - This line is used to indicate the concentration of phosgene in the zero gas.
To change the setting, press the EDIT button. The operator will be prompted to enter the
desired value and press the ENTER key on the keypad. In Edit mode, the left value changes
while the right value stays at the previous value (in case the operator cannot recall what the
previous value was.
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